| 摘要 |
The present invention relates to a grain selection barrel which is designed to select grain by size or to separate foreign substances therefrom such as empty heads of grain. The grain selection barrel of the present invention enables the selection of grain by size in a quick and efficient way without scratching the grain. To this end, the grain selection barrel comprises: at least one cylindrical coil spring having an inlet and an outlet; and a separation unit separating the coil spring at regular intervals corresponding to the diameter of the grain to be selected. |
